Cheapest return flights from Portland to Lisbon in April from $485

AirHint found the following cheapest return flights from Portland (PDX) to Lisbon (LIS) in April 2026 (see full year).

Return flights

09 Apr - 14 Apr British Airways
13 Apr - 20 Apr Air France
14 Apr - 21 Apr Delta
18 Apr - 25 Apr British Airways
19 Apr - 26 Apr British Airways
16 Apr - 23 Apr Delta
15 Apr - 22 Apr Virgin Atlantic
06 Apr - 13 Apr KLM
02 Apr - 09 Apr British Airways
03 Apr - 10 Apr British Airways

Also check the deals for one-way flights from Portland to Lisbon in April.

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